- Remove owner_user_id column and owner relationship from Vendor model - Update User model ownership checks to use company relationship - Add migration to drop owner_user_id column from vendors table Ownership is now determined solely via vendor.company.owner_user_id 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
Generic single-database configuration.